Conditions affecting anion gap.

A.     Anion gap increased in

a.      Diabetic ketoacidosis

b.      Lactic acidosis

c.       Acute renal failure

d.      Chronic renal failure

B.      Anion gap decreased in

a.      Increased unmeasured cations

b.      Severe hypermagnesaemia

c.       Severe hypercalcaemia

d.      Increased plasma lithium

Decreased plasma albumin.